Standard per analisi ambientali
Gli standard di analisi ambientale confermano che gli strumenti di prova rimangono coerenti per il monitoraggio dei livelli di inquinanti. Soluzioni a singolo o multi-elemento possono essere utilizzate per confrontare e verificare le determinazioni della composizione di campioni sconosciuti. Valutando con precisione le minacce presenti nell’atmosfera, nelle fonti idriche o nel suolo, il personale può modificare e migliorare le condizioni per ristabilire l’ambiente necessario alle prestazioni ottimali. Gli standard di analisi ambientale consentono di identificare tutti gli elementi esterni e interni che influenzano la crescita complessiva.
Nutrients in soil - PT, proficiency testing material, Supelco®
Supplier: Merck
Nutrients in Soil - PT, Supelco®, Proficiency Testing Material, : N/A
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Base/Neutrals 1 - WP, (CRM), Supelco®
Supplier: Merck
Base/Neutrals 1 - WP, Supelco®, Certified reference material, : N/A
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EPA 502 Internal Standard Mix, certified reference material, Supelco®
Supplier: Merck
EPA 502 Internal Standard Mix, Supelco®, Certified reference material, 2000 mug/mL each component in methanol, : N/A
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Pesticides 1 - WP, proficiency testing material, Supelco®
Supplier: Merck
Pesticides 1 - WP, Supelco®, Proficiency Testing Material, 1 mL for dilution up to 1L, : N/A
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VOAS in Soil - Low Level - PT, Proficiency Testing Material, Supelco®
Supplier: Merck
VOAS in Soil - Low Level - PT, Supelco®, Proficiency Testing Material, : N/A
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EPA 8270/Appendix IX nitrosamines mix, certified reference material, Supelco®
Supplier: Merck
EPA 8270/Appendix IX Nitrosamines Mix, Supelco®, Certified reference material, 2000 mug/mL each component in methanol, : N/A
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Nitrite, (CRM), Supelco®
Supplier: Merck
Nitrite, Supelco®, Certified reference material, : N/A
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Semivolatile Acids Surrogate Spike Mix, certified reference material, Supelco®
Supplier: Merck
Semivolatile Acids Surrogate Spike Mix, Supelco®, Certified reference material, 10000 mug/mL each component in methanol, : N/A
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Trace metals - sandy loams, (CRM), Supelco®
Supplier: Merck
Trace Metals - Sandy Loam 8, Supelco®, Certified reference material, : N/A, Pkg of 50 g
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Trihalomethane Mixes, Supelco®
Supplier: Merck
Trihalomethane Mix, Supelco®, : N/A, 1× 1,2 ml
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Nitrosamines/nitroaromatics - WP, proficiency testing material, Supelco®
Supplier: Merck
Nitrosamines/Nitroaromatics - WP, Supelco®, Proficiency Testing Material, Concentrate for dilution to 1L, : N/A
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Volatile residue - WP, (CRM), Supelco®
Supplier: Merck
Volatile Residue - WP, Supelco®, Certified reference material, : N/A
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Organophosphorus pesticides (low level) - PT, proficiency testing material, Supelco®
Supplier: Merck
Organophosphorus Pesticides (Low Level) - PT, Supelco®, Proficiency Testing Material, : N/A
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Herbicides in Soil - PT, Proficiency Testing Material, Supelco®
Supplier: Merck
Herbicides in Soil - PT, Supelco®, Proficiency Testing Material, : N/A
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Phthalates - PT, Proficiency Testing Material, Supelco®
Supplier: Merck
Phthalates - PT, Supelco®, Proficiency Testing Material, : N/A
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#: 20864.320
Supplier: VWR Chemicals
#: 83640.320
Supplier: VWR Chemicals
#: 31770.294
Supplier: VWR Chemicals
#: 1.00030.2500
Supplier: Merck